Pivot lamp attachment for automobiles.



A. G. THOMSON.

PIVOT LAMP ATTACHMENT FOR AUTOMOBILES. APPLICATION FILED JULY12,1909.

L03052, Patented June 25, 1912.

attirati ARTHUR GALE THOMSON. OF SAN FRANCISCO. CALIFORNIA. ASSIGNOR TOPIVOT AUTO l LIGHT CO., F SAN FRANCISCO. CALIFORNIA. A CORPORATION.

'PIVOT LAMP ATTACHMENT FOR AUTOMOBILES.

i ,entraa Speeication of Letters Patent Patented June 25, 19t?.

Application filed July 12. 1909. Seria] No. 507.141.

My invention relate4 to a connection or' attachment for auton'iobilclampwhcrebj.H the ramp or lampe` maj.' be turneti in uni een with theturning of the front steeringwheel so that the rays otn the lamp orl-.unpa` will be ast along` the roatl in the actual direction oi travel.

My invention eonSist-S in a Simplified coustruction and combination etpartel whereby the simultaneous movement ot' the lamp and the turning ofthe wheels. is eiiectetl.

t also comprises details ot construt'rtion which will be more fullyexplained by reierenee to the accompanyingtlrawings.` in Whiehi Figure l.ie a Side elevation ef a part ot' the main frame, showing myattachment. Fig. 2 is front View of a pair of lamps and connected parts.Fig. 3 is a modified form of mechanism. Fig'. tlshows the ma n Vner ofmaintaining theball-bearing lamp turntable in position. et the lockingtlevice.

The lamp or lamps are represented at A, and are vmounted upon forks Q.which forks are supported upon a horizontal turntable 3. Thin` turntablehas hall-bearing. `anpports upon the base 4, which base is here Shown asformed upon a plate 5, which is aclaptetl to be clamped orotherwinesecured to the top et the bar 6 of the main trame by tasteningsas' shown at 7. The rearcntl of the plate may be turned tlown, and thedownturnetl end forms a support Jfor the pivot pin 8.

9 is a rocker-arm turntable. upon the. pivot 8, and the upper end otthis arm ia con nected by a rod l0 with a lever arm tl` which projects'from the turntable 3 no that by the oscillations of the roclnuf-arm 9and `)through its connections. the turntable, and

'With it the lamp, may be causetl to swine; to one side or the other. The opposite. curl of the arm 9 is eormeetetl by a rotl 'l2 with crankarm 'lwhich is lixccl to the shaft 14 of the. Worm-gear. ot the Steeringmechanism. To the Same arm 13 is conneeteti the Fig. 5 is :i plan View.

rotl 15 which ettentls Vt'orwaiwlliy antl com necta with what, is` knownas a "Steering" knuckle l` ot' the trout bearing' anti steering' wheeboi the machine. .3y thisv construction it will be seen thatI when theworm- ;rcar turned hr the tia-ual menne: in either direction. theoscillationh4 ot the rocker-arm l will be communicatml through the. tworotlf: l2 :intl 't5 to more these rods simultaz ueoualy in the y#ametlirection. One ot' these roth` connecting with the knuckle ot the irontwheel will coummnicate motion to turnthial wheel. The other roticonnecting with the rocker-arm 9 will albo more the lower entl ol thisrocker-arm in the Same direction with the Steering knuckle; but theupper ewl et 'this rocker-arm moving in the opposite direction will,through the connecting roel '10, act to turn the lamp or lamps A inunison with the movement of thel wheel. anti thus throw the rays oflight in the direction towartl which the machine is to travel. The pointoitl attachment or fulcrumingv of this rocker-arm 9 ma)7 be variedsomewhat. but is preferably n lar the front ot the machine, and in thisinanner I aroitl carryingl the roeke '-arm on the worm-gearcrank andmake the contrivanee more compnet. i

ln Fig. 3 l have shown a motlilication which ia atlaptctl to certainforms ot steer ing-gear. in this l ha re shown a. bell-crank leverltitulerumetl upon the main trame.; one arm of Saitl lever beinLlconnectetl by the rotl l2 with the. rock-arm lll which is moretl inunison with the steering iucehanism, antl the other arm oi thebell-cranklever is connected by a rotl l0l willi the arm l't1t whichconnects with aurl operates the turntable ir.

Where two lampev are employed there will be two turntables, and thceetwo will be eounccteti by a rotl an at 1S so that the lamps will beturnctl in unison.

In ortler to make a property7 rigid and at the salue time easilyturnable support for the la inps to prevent untlue ribration oroscillation. the table or support Ll has a Stud or shank 10. antl theturntable 23 has a corre- Spending` sleeve l0 which tits over and turnstree v upon this shank. The upper part of vthe shan-k is splitvertically, Jforming' quatlrants. anti is Qifrew-tl'ireatlecl to receivea nut Q1 which. when turnetl clown. seats upon a tibet' washer "2Q whichlite between it and the top of the turntable Sleeve 20; thus'formlOL o fzo,

ing a snug easily turnable joint', without lost motion. AIn order tolock these parts 'at any point of adjustment, I have shown a spread The,plate is designed'to fitupon the main frame 6 of any machine, and isreadily secured by clamps. e

v The base't is formed up sufliciently above the surface of the plate 5for eiiectiveclearance of the moving parts, and need have noAdiameter'greater than the width of the plate,

asfthe vverticalvstud and sleeve of the turny table'insure the requisiterigidity and steadiness-l Having thus described my invention,

what I claim andv desire' to secure by Letters Patent is- ,l l

1. The combination with an\ automobile frame, of an independent lampsupporting member, 'means for ,securing said member;

ff upofh'xthe frontof the frame, a turn-table carried by said member, alamp supported' by and turnable with said table, steering AmechanismVhaving a crank arm connected 'y with; the steering knuckles of the frontbear-f iigwheels, 4and connections between "said 'crank-arm and the lampturn-table, said coni nections including a vertical lever fulcrumed`betweenits'ends on the part of the vehicle' `v'vhichcarries the lampsupporting member.

2l An attachment lfor an automobileframe, said attachment consisting ofan. in-V.,

dependent plate having formed upon it a lamp turn-table base, meanswhereby it may;

be detachably secured to the frame, a lamp on said turn-table base,steering mechanism,

' said4 plate having an integrally formed' downwardly extendingprojection, a horizontallyprojecting arbor on said projection,

a lever fulcrumed between its ends on said arbor and articulatedconnections with the opposite ends of said lever .for actuating the flamp.

3..An attachment for automobile frames, said attachmentA consisting ofVa detachable plate and a base, and the lampicarrying turntableVvmountedvthereon, means for detachably securing said plate to the frame,a support carried by the plate, a rocker-arm pivoted to said supportvintermediate of its ends, connections between one of its ends and thelamp turntable, and a steering-gear` crank with which the opposite endis connected.

4. In an operating mechanism for automobile lamps, a bell-crank leverconnected to one'of said lamps, a crank arm connected to the other lamp,a connecting Arod to operatively connect said crank arm to one arm ofsaid bell crank lever, a bell crank operating lever pivotally mounted onthe frame of the machine, an operating rod to connect one arm of saidlever with the free arm of the bell crank lever on said lamp, and anoperating rod loosely connected at one end to the `free end of the bellcrank lever on said frame and atits opposite end to a part of thesteering mechanism of theautomobile.

l5. In an operating mechanism for automobile lamps, and iii` combinationwith an automobile having the usual steering wheels and steeringmechanism, a lamp mounted on the vehicle to turn about a vertical pivot,a crank'arm connected to the lamp, a rod extending from the crank arm inthe direction ot'the steering mechanism, direction changing meansmounted on the vehicle :body and connected with said'rod, 4and otherconnes .tions-between saiddirection changing means and the steeringmechanism.

`In testimony whereofv I ,have hereunto set my hand inthe presence oftwo subscribingwitnesses.`

- ARTHUR GALE THOMSON.

Witnesses:

E. G. BLASDEL J. C. BiioDIE. A

Copies o; this patent may be obtained for vecents each, by addressingthe Washington, D. C.

Commissioner' of IPatents,

